I"m pretty sure this is all of the diesels I own that are 26x30 (except for the riohma 796, they're 26x32). There are also two Nudies, one TR, and about 5 pairs of Diesels that are either 30x30 or 30x32.
Zathan 70z, Onijo 732, Zathan 70c, Farco 85w
Zathan 60f, Zathan 8BP, Onijo 70e
Riohma 796, Farco 81w, Clerby 82l, Rabox 770
Zaf 796 (going to modify these later), Paddom 710, Shazor 732, Rame 82m, Thanaz 71b
Onijo 88b, Clerby 87r, Shazor 88z, Zavor 86t